1. envalysis::clayloam
    Hydrometer readings for a clay loam
  2. envalysis::din32645
    Calibration data from DIN 32645
  3. envalysis::icp
    ICP-AES calibration data
  4. envalysis::neitzel2003
    Calibration data from Neitzel (2003)
  5. envalysis::phenolics
    Degradation of phenolic compounds by Steinmetz et al. (2019)